+>,[<[>+>+<<-]>>+[-<<+>>]<.[-],]
[A simple brainfuck program
that performs a very simple
form of encryption. The key:
  chr1 -> chr1 + 1
  chr2 -> chr2 + 2
  chr3 -> chr3 + 3
and so on. at 256 it wraps
back to 0, then continues.
Every 256th character will
be the same, but the message
will appear on the whole to
be gobbledygook.]
